Information for
2025-2026 Season Registration will Open September 10, 2025.
Registration will close on Wednesday, December 17, 2025. Please view the Ohio Program Registration page for more information.
New to Science Olympiad and looking to start a team? Check out the resources from National Science Olympiad on the ‘Start a Team’(opens in new window) page and reach out to the Ohio State Director with any additional questions!
2025-26 Key Dates
Watch here for key dates for the 2025-2026 Science Olympiad season
September 2, 2025
2026 Rules will release.
September 10, 2025
Ohio Science Olympiad 2026 season registration opens.
May 22-23, 2026
The University of Southern California (USC) in Los Angeles will host the 2026 Science Olympiad National Tournament.